<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style type="text/css">
        .box {
            width: 300px;
            height: 300px;
            border: 3px solid #000000;
            margin: 50px auto 0;
            background-color: gold;
            border-top-left-radius: 60px;
            border-top-right-radius: 100px;
        }

        .box1 {
            width: 300px;
            height: 300px;
            border: 3px solid #000000;
            margin: 50px auto 0;
            background-color: gold;
            /* border-radius: 150px; */
           /*  border-radius: 50%; */
           border-bottom-left-radius:150px ;
           border-top-right-radius: 150px;
        }

        .box2 {
            width: 300px;
            height: 300px;
            border: 3px solid #000000;
            margin: 50px auto 0;
            background-color: gold;
            /* border-radius: 150px; */
            border-radius: 50%;
        }
    </style>
</head>

<body>
    <div class="box"></div>
    <div class="box1"></div>
    <div class="box2"></div>
</body>

</html>